Pei Mu is a commonly used medicine for removing phlegm and relieving cough. It is the dried bulb of the lily plant, Chuanbeimu and Zhebeimu. It is mainly produced in Sichuan, Yunnan, Gansu and other places in China; Zhebeimu is mainly produced in Zhejiang, Jiangsu, Anhui and other places in China.

Sichuan Beimu is bitter and sweet in taste, and slightly cold in nature; Zhe Beimu is bitter in taste and cold in nature. It belongs to lung and heart meridian. It is used in the treatment of hot phlegm and cough, external cough, yin deficiency cough, phlegm, phlegm, phlegm, yellow thick, lung carbuncle, breast carbuncle, carbuncle and poison, scrofula and other diseases. Modern pharmacological experiments have proved that the mother of pearl has the effect of suppressing cough, lowering blood pressure and elevating blood sugar.

Medicine: Sichuan shellfish ice sugar soup, Sichuan shellfish stuffed pear. People with cold spleen and stomach and cold phlegm, wet phlegm should be cautious. Anti aconite.

1. `The Collected Notes on the Materia Medica `Evil peach blossom. Fear gentiana, alum stone, mangosteen. Against aconite.'

2. "The Classic of the Materia Medica" (本草經疏) `Cold and damp phlegm and food accumulation of phlegm and fire for coughing, damp phlegm in the stomach with nausea and desire to vomit, phlegm and drink for chills and fever, wet phlegm in the spleen and stomach for dizziness and phlegm-convulsive headache, vomiting in the midst of nausea and vomiting, and cold in the stomach for leakage and is also prohibited.